CN220395971U

CN220395971U - Pneumatic pressure adjusting device

Info

Publication number: CN220395971U
Application number: CN202321789295.6U
Authority: CN
Inventors: 姜原
Original assignee: Shanghai Shunwei Fluid Control System Co ltd
Current assignee: Shanghai Shunwei Fluid Control System Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-26
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a pneumatic pressure regulating device, comprising; a one-way ball valve is arranged in each working cavity of the T-shaped pipe, and a fixed ball valve is fixedly arranged at one end of the T-shaped pipe; the lower cover body is fixedly arranged at one end of the T-shaped pipe, the upper cover body is fixedly arranged on the lower cover body, the air cylinder is fixedly arranged on the upper cover body, the piston rod is arranged on the air cylinder, a second clamping structure is fixedly arranged at one end of the piston rod, a diaphragm is fixedly arranged on the second clamping structure, and a first clamping structure is arranged between the lower cover body and the upper cover body. According to the pneumatic pressure adjusting device provided by the utility model, the water flow can be rapidly cut off through the fixed ball valve, the water flow can be prevented from entering the lower cover body and the upper cover body, the first bolt is removed by using a tool, the diaphragm can be replaced by removing the second bolt from the upper cover body, and the diaphragm replacement is rapid and convenient, and particularly, the problem that a large amount of liquid is lost and wasted due to direct removal of the first bolt can be avoided.

Description

Pneumatic pressure adjusting device

Technical Field

The utility model relates to the technical field of valve devices, in particular to a pneumatic pressure regulating device.

Background

The diaphragm pump is a new type of pump, and is used in petrochemical, ceramic, metallurgical and other industries, and features no need of irrigation and water diversion and high self-absorption capacity. Directly separating the conveyed medium from the driving mechanism, so that the medium never leaks out. And the pump has no shaft liquid seal, and the service life is greatly prolonged. Application field: the diaphragm pump in the paint spraying and ceramic industry has taken an absolute leading role; the market share of environmental protection, wastewater treatment, construction, pollution discharge and fine chemical industry is expanding, and has an irreplaceable position of other pumps.

The Chinese patent with publication number of CN210068438U discloses a pneumatic diaphragm pump, which comprises a pump body, cover bodies fixed at two ends of the pump body, a diaphragm sheet clamped between the pump body and the cover bodies, and a connecting rod shaft for driving the diaphragm sheet to move, wherein one side of the diaphragm sheet, which is close to the pump body, is provided with a lower protection block, and one side, which is close to the cover bodies, is fixed with an upper protection block; the side of the upper protection block, which is close to the connecting rod shaft, is fixed with a threaded rod in threaded connection with the connecting rod shaft and the lower protection block, and one side of the threaded rod, which is far away from the upper protection block, is provided with a limiting assembly for limiting rotation of the threaded rod.

Because the diaphragm sheet has short service life and needs to be replaced periodically, when the diaphragm sheet is replaced, liquid in the pipelines at the two ends of the diaphragm pump can flow into the diaphragm pump, and a large amount of liquid can be lost by direct disassembly, so that waste is generated.

Disclosure of Invention

Aiming at the problems that in the prior art, when a diaphragm sheet is replaced, liquid in pipelines at two ends of the diaphragm pump flows into the diaphragm pump, a large amount of liquid is lost when the diaphragm pump is directly disassembled, and waste is generated, the utility model provides the pneumatic pressure regulating device capable of avoiding the waste caused by the loss of the liquid.

In order to achieve the above purpose, the main technical scheme adopted by the utility model is as follows:

a pneumatic pressure regulating device: a one-way ball valve is arranged in each working cavity of the T-shaped pipe, and a fixed ball valve is fixedly arranged at one end of the T-shaped pipe;

the lower cover body, lower cover body fixed mounting is in T type pipe one end, fixed mounting has the upper cover body on the lower cover body, fixed mounting has the cylinder on the upper cover body, be equipped with the piston rod on the cylinder, piston rod one end fixed mounting has the second to press from both sides tight structure, fixed mounting has the diaphragm on the second to press from both sides tight structure, be equipped with first clamping structure down between the cover body and the upper cover body, the edge fixed clamping of diaphragm is on first clamping structure.

By adopting the technical scheme, the pneumatic pressure adjusting device can rapidly cut off water flow through the fixed ball valve, prevent water flow from entering the lower cover body and the upper cover body, remove the first bolt by using the tool, and remove the second bolt by taking down the upper cover body so as to replace the diaphragm.

Further, the first clamping structure comprises a first insert block, the first insert block is integrally formed at the bottom of the upper cover body, a first through hole is formed in the edge of the diaphragm, a first groove is formed in the lower cover body, and the first insert block penetrates through the first through hole and is inserted into the first groove.

Further, the second clamping structure comprises an upper clamping plate and a lower clamping plate, the upper clamping plate is fixedly welded at one end of the piston rod, the diaphragm is arranged on one side of the upper clamping plate, the lower clamping plate is located on one side of the diaphragm, a thread groove is formed in one end of the piston rod, a second bolt is inserted into the thread groove, and the second bolt penetrates through the upper clamping plate, the lower clamping plate and the diaphragm and is inserted into the thread groove.

Further, the bottom of punch holder is equipped with the second inserted block, set up the second recess on the lower plate, the second through-hole has been seted up at the diaphragm middle part, the second inserted block runs through the second through-hole and pegs graft in the second recess.

Further, the upper clamping plate and the lower clamping plate are in disc-shaped structures.

Further, the edges of the upper clamping plate and the lower clamping plate are in a round corner structure.

Further, the first inserting block, the first groove, the second inserting block and the second groove are all in cylindrical structures.

Further, the lower cover body and the upper cover body are penetrated and inserted with first bolts.

The utility model has at least the following beneficial effects:

according to the pneumatic pressure adjusting device provided by the utility model, the water flow can be rapidly cut off through the fixed ball valve, the water flow can be prevented from entering the lower cover body and the upper cover body, the first bolt is removed by using a tool, the diaphragm can be replaced by removing the second bolt from the upper cover body, and the diaphragm replacement is rapid and convenient, and particularly, the problem that a large amount of liquid is lost and wasted due to direct removal of the first bolt can be avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a pneumatic pressure regulator of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic cross-sectional view of the present utility model at B in fig. 1.

Reference numerals illustrate:

a 100-T tube; 110-a one-way ball valve; 120-fixed ball valve; 200-lower cover body; 201-a first bolt; 202-a first groove; 210-an upper cover body; 211-a first plug; 300-cylinder; 310-membrane sheets; 311-a first through hole; 312-a second through hole; 320-a piston rod; 321-thread grooves; 330-upper clamping plate; 331-second plug; 340-lower clamping plate; 341-a second groove; 350-a second bolt; 400-a first clamping structure; 500-second clamping structure.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

The present embodiment provides a pneumatic pressure adjusting device, as shown in fig. 1, including: t-shaped tube 100 and lower housing 200, the mounting of T-shaped tube 100: a one-way ball valve 110 is arranged in each working cavity of the T-shaped pipe 100, and a fixed ball valve 120 is fixedly arranged on one end of the T-shaped pipe 100.

Referring to fig. 1 to 3, the lower cover 200 is mounted in the following manner: the lower cover body 200 is fixedly arranged at one end of the T-shaped pipe 100, the upper cover body 210 is fixedly arranged on the lower cover body 200, the air cylinder 300 is fixedly arranged on the upper cover body 210, the piston rod 320 is arranged on the air cylinder 300, the second clamping structure 500 is fixedly arranged at one end of the piston rod 320, the diaphragm 310 is fixedly arranged on the second clamping structure 500, the first clamping structure 400 is arranged between the lower cover body 200 and the upper cover body 210, and the edge of the diaphragm 310 is fixedly clamped on the first clamping structure 400.

Referring to fig. 1 to 3, the first clamping structure 400 includes a first insert 211, the first insert 211 is integrally formed at the bottom of the upper cover 210, a first through hole 311 is formed at an edge of the diaphragm 310, a first groove 202 is formed on the lower cover 200, and the first insert 211 penetrates through the first through hole 311 and is inserted into the first groove 202, so that stability of the diaphragm 310 is increased, and the edge of the diaphragm 310 is prevented from falling.

The second clamping structure 500 includes an upper clamping plate 330 and a lower clamping plate 340, the upper clamping plate 330 is fixedly welded at one end of the piston rod 320, the diaphragm 310 is disposed at one side of the upper clamping plate 330, the lower clamping plate 340 is disposed at one side of the diaphragm 310, a threaded groove 321 is formed at one end of the piston rod 320, a second bolt 350 is inserted into the threaded groove 321, and the second bolt 350 penetrates through the upper clamping plate 330 and the lower clamping plate 340 and the diaphragm 310 to be inserted into the threaded groove 321.

The bottom of the upper clamping plate 330 is provided with a second inserting block 331, the lower clamping plate 340 is provided with a second groove 341, the middle part of the diaphragm 310 is provided with a second through hole 312, and the second inserting block 331 penetrates through the second through hole 312 and is inserted into the second groove 341, so that the stability of the diaphragm 310 is further improved.

The upper clamping plate 330 and the lower clamping plate 340 are in a disc-shaped structure, and edges of the upper clamping plate 330 and the lower clamping plate 340 are in a rounded structure, so that the edges of the upper clamping plate 330 and the lower clamping plate 340 are prevented from scratching the diaphragm 310.

The first inserting block 211, the first groove 202, the second inserting block 331 and the second groove 341 are all in cylindrical structures, the lower cover body 200 and the upper cover body 210 are convenient to install and detach, the first bolts 201 penetrate through and are inserted into the lower cover body 200 and the upper cover body 210, and the installation is quick and convenient through the first bolts 201.

The working principle of the utility model is as follows: when the diaphragm 310 is removed, the fixed ball valve 120 is closed to prevent water from flowing into the upper and lower housings 210 and 200, the first bolt 201 is unscrewed by a tool, the upper housing 210 is removed, the second bolt 350 is unscrewed, the lower clamping plate 340 is removed, the diaphragm 310 is removed, and the assembly is performed in the reverse order.

When the device is used, the piston rod of the air cylinder 300 reciprocates, the piston rod drives the diaphragm 310 to reciprocate, the purpose of sucking liquid is achieved, the T-shaped pipe 100 is connected with a container, and the pressure in the container can be regulated by controlling the amount of liquid in the container.

The above description is provided in detail for a pneumatic pressure regulating device. The description of the specific embodiments is only intended to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. A pneumatic pressure adjustment device, comprising:

a one-way ball valve (110) is arranged in each working cavity of the T-shaped pipe (100), and a fixed ball valve (120) is fixedly arranged at one end of the T-shaped pipe (100);

lower cover body (200), lower cover body (200) fixed mounting is in T type pipe (100) one end, fixed mounting has upper cover body (210) on lower cover body (200), fixed mounting has cylinder (300) on upper cover body (210), be equipped with piston rod (320) on cylinder (300), piston rod (320) one end fixed mounting has second clamp structure (500), fixed mounting has diaphragm (310) on second clamp structure (500), be equipped with first clamp structure (400) between lower cover body (200) and upper cover body (210), the edge fixed clamping of diaphragm (310) is on first clamp structure (400).

2. The pneumatic pressure adjustment device of claim 1, wherein: the first clamping structure (400) comprises a first inserting block (211), the first inserting block (211) is integrally formed at the bottom of the upper cover body (210), a first through hole (311) is formed in the edge of the diaphragm (310), a first groove (202) is formed in the lower cover body (200), and the first inserting block (211) penetrates through the first through hole (311) to be inserted into the first groove (202).

3. The pneumatic pressure adjustment device of claim 2, wherein: the second clamping structure (500) comprises an upper clamping plate (330) and a lower clamping plate (340), wherein the upper clamping plate (330) is fixedly welded at one end of a piston rod (320), a diaphragm piece (310) is arranged on one side of the upper clamping plate (330), the lower clamping plate (340) is positioned on one side of the diaphragm piece (310), a threaded groove (321) is formed in one end of the piston rod (320), a second bolt (350) is inserted into the threaded groove (321), and the second bolt (350) penetrates through the upper clamping plate (330) and the lower clamping plate (340) and the diaphragm piece (310) to be inserted into the threaded groove (321).

4. A pneumatic pressure adjustment device according to claim 3, wherein: the bottom of punch holder (330) is equipped with second inserted block (331), set up second recess (341) on punch holder (340), second through-hole (312) have been seted up at diaphragm (310) middle part, second inserted block (331) are pegged graft in second recess (341) through second through-hole (312).

5. The pneumatic pressure adjustment device of claim 4, wherein: the upper clamping plate (330) and the lower clamping plate (340) are in disc-shaped structures.

6. The pneumatic pressure adjustment device of claim 5, wherein: the edges of the upper clamping plate (330) and the lower clamping plate (340) are in round corner structures.

7. The pneumatic pressure adjustment device of claim 4, wherein: the first inserting block (211), the first groove (202), the second inserting block (331) and the second groove (341) are all in cylindrical structures.

8. The pneumatic pressure adjustment device of claim 1, wherein: the lower cover body (200) and the upper cover body (210) are penetrated and inserted with first bolts (201).